yaffs.net Git - yaffs-website/blob - web/core/modules/language/src/EventSubscriber/LanguageRequestSubscriber.php

   1 <?php
   2
   3 namespace Drupal\language\EventSubscriber;
   4
   5 use Drupal\Core\Session\AccountInterface;
   6 use Drupal\Core\StringTranslation\Translator\TranslatorInterface;
   7 use Drupal\language\ConfigurableLanguageManagerInterface;
   8 use Drupal\language\LanguageNegotiatorInterface;
   9 use Symfony\Component\HttpKernel\HttpKernelInterface;
  10 use Symfony\Component\HttpKernel\KernelEvents;
  11 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
  12 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  13
  14 /**
  15  * Sets the $request property on the language manager.
  16  */
  17 class LanguageRequestSubscriber implements EventSubscriberInterface {
  18
  19   /**
  20    * The language manager service.
  21    *
  22    * @var \Drupal\language\ConfigurableLanguageManagerInterface
  23    */
  24   protected $languageManager;
  25
  26   /**
  27    * The language negotiator.
  28    *
  29    * @var \Drupal\language\LanguageNegotiatorInterface
  30    */
  31   protected $negotiator;
  32
  33   /**
  34    * The translation service.
  35    *
  36    * @var \Drupal\Core\StringTranslation\Translator\TranslatorInterface;
  37    */
  38   protected $translation;
  39
  40   /**
  41    * The current active user.
  42    *
  43    * @return \Drupal\Core\Session\AccountInterface
  44    */
  45   protected $currentUser;
  46
  47   /**
  48    * Constructs a LanguageRequestSubscriber object.
  49    *
  50    * @param \Drupal\language\ConfigurableLanguageManagerInterface $language_manager
  51    *   The language manager service.
  52    * @param \Drupal\language\LanguageNegotiatorInterface $negotiator
  53    *   The language negotiator.
  54    * @param \Drupal\Core\StringTranslation\Translator\TranslatorInterface $translation;
  55    *   The translation service.
  56    * @param \Drupal\Core\Session\AccountInterface $current_user
  57    *   The current active user.
  58    */
  59   public function __construct(ConfigurableLanguageManagerInterface $language_manager, LanguageNegotiatorInterface $negotiator, TranslatorInterface $translation, AccountInterface $current_user) {
  60     $this->languageManager = $language_manager;
  61     $this->negotiator = $negotiator;
  62     $this->translation = $translation;
  63     $this->currentUser = $current_user;
  64   }
  65
  66   /**
  67    * Sets the default language and initializes configuration overrides.
  68    *
  69    * @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
  70    *   The Event to process.
  71    */
  72   public function onKernelRequestLanguage(GetResponseEvent $event) {
  73     if ($event->getRequestType() == HttpKernelInterface::MASTER_REQUEST) {
  74       $this->negotiator->setCurrentUser($this->currentUser);
  75       if ($this->languageManager instanceof ConfigurableLanguageManagerInterface) {
  76         $this->languageManager->setNegotiator($this->negotiator);
  77         $this->languageManager->setConfigOverrideLanguage($this->languageManager->getCurrentLanguage());
  78       }
  79       // After the language manager has initialized, set the default langcode
  80       // for the string translations.
  81       $langcode = $this->languageManager->getCurrentLanguage()->getId();
  82       $this->translation->setDefaultLangcode($langcode);
  83     }
  84   }
  85
  86   /**
  87    * Registers the methods in this class that should be listeners.
  88    *
  89    * @return array
  90    *   An array of event listener definitions.
  91    */
  92   public static function getSubscribedEvents() {
  93     $events[KernelEvents::REQUEST][] = ['onKernelRequestLanguage', 255];
  94
  95     return $events;
  96   }
  97
  98 }